Convert Ozone GBM to use GLOzone.

ui/ozone/platform/drm/gpu/gbm_surface_factory.h

Index: ui/ozone/platform/drm/gpu/gbm_surface_factory.h
diff --git a/ui/ozone/platform/drm/gpu/gbm_surface_factory.h b/ui/ozone/platform/drm/gpu/gbm_surface_factory.h
index 1e8c00385bcbab5cc747195c5eadb9d3afe67b87..7298476c3ef4a6da37cd9ae6b1c593ed99cf305c 100644
--- a/ui/ozone/platform/drm/gpu/gbm_surface_factory.h
+++ b/ui/ozone/platform/drm/gpu/gbm_surface_factory.h
@@ -15,6 +15,7 @@
 #include "base/threading/thread_checker.h"
 #include "ui/gl/gl_implementation.h"
 #include "ui/gl/gl_surface.h"
+#include "ui/ozone/common/gl_ozone_egl.h"
 #include "ui/ozone/public/surface_factory_ozone.h"
 
 namespace ui {
@@ -33,20 +34,11 @@ class GbmSurfaceFactory : public SurfaceFactoryOzone {
   GbmSurfaceless* GetSurface(gfx::AcceleratedWidget widget) const;
 
   // SurfaceFactoryOzone:
-  scoped_refptr<gl::GLSurface> CreateViewGLSurface(
-      gl::GLImplementation implementation,
-      gfx::AcceleratedWidget widget) override;
-  scoped_refptr<gl::GLSurface> CreateSurfacelessViewGLSurface(
-      gl::GLImplementation implementation,
-      gfx::AcceleratedWidget widget) override;
-  scoped_refptr<gl::GLSurface> CreateOffscreenGLSurface(
-      gl::GLImplementation implementation,
-      const gfx::Size& size) override;
+  std::vector<gl::GLImplementation> GetAllowedGLImplementations() override;
+  GLOzone* GetGLOzone(gl::GLImplementation implementation) override;
 
-  intptr_t GetNativeDisplay() override;
   std::vector<gfx::BufferFormat> GetScanoutFormats(
       gfx::AcceleratedWidget widget) override;
-  bool LoadEGLGLES2Bindings() override;
   std::unique_ptr<SurfaceOzoneCanvas> CreateCanvasForWidget(
       gfx::AcceleratedWidget widget) override;
   scoped_refptr<ui::NativePixmap> CreateNativePixmap(
@@ -61,6 +53,8 @@ class GbmSurfaceFactory : public SurfaceFactoryOzone {
       const gfx::NativePixmapHandle& handle) override;
 
  private:
+  std::unique_ptr<GLOzone> egl_implementation_;
+
   base::ThreadChecker thread_checker_;
 
   DrmThreadProxy* drm_thread_;